March 9–12 – The Great Blizzard of 1891 in the south and west of England leads to extensive snow drifts and powerful storms off the south coast, with 14 ships sunk and approximately 220 deaths attributed to the weather conditions.[1][2]

May 20 – Thomas Edison's prototype kinetoscope is first displayed at Edison's Laboratory, for a convention of the National Federation of Women's Clubs.

May 31 N.S. (May 19 O.S.) – In the Kuperovskaya district of Vladivostok, a grand ceremonial inauguration of construction work on the Trans-Siberian Railway is carried out by the Tsesarevich Nikolay Alexandrovich and a religious service held.